Archives

September 26, 2024

EPA Releases Draft Risk Evaluation for DINP for Public Comment

The U.S. Environmental Protection Agency (EPA) announced on September 3, 2024, the release of the draft risk evaluation for diisononyl phthalate (DINP) under the Toxic Substances Control Act (TSCA) for public comment. 89 Fed. Reg. 71270. EPA states in its August 30, 2024, press release that it preliminarily determined that two industrial uses and one consumer use “significantly contribute to the unreasonable risk of DINP out of the 45 uses evaluated.” EPA preliminarily determined that...
May 24, 2024

EPA Releases Draft Risk Evaluation Documents for DIDP and DINP for Public Comment and Peer Review

The U.S. Environmental Protection Agency (EPA) announced on May 20, 2024, the availability of and solicited public comment on the draft manufacturer-requested risk evaluation (MRRE) for di-isodecyl phthalate (DIDP) and the draft physical chemical, fate, and hazard assessments for di-isononyl phthalate (DINP) prepared under the Toxic Substances Control Act (TSCA). 89 Fed. Reg. 43847. In its May 17, 2024, press release, EPA states that it preliminarily determined that all but one of the uses of...
March 11, 2024

EPA Seeks Nominations for Ad Hoc Reviewers to Assist SACC with Peer Reviewing DIDP and DINP

On February 29, 2024, the U.S. Environmental Protection Agency (EPA) requested public nominations of scientific and technical experts for service as ad hoc reviewers assisting the Science Advisory Committee on Chemicals (SACC) with the peer review of the Agency’s evaluation of the risks from di-isodecyl phthalate (DIDP) and di-isononyl phthalate (DINP) being conducted to inform risk management decisions under the Toxic Substances Control Act (TSCA). 89 Fed. Reg. 14836. EPA states that it is...
October 12, 2023

ACC Submits Notice of Intent to File Suit for EPA to Complete Manufacturer-Requested Risk Evaluations for DINP and DIDP

The American Chemistry Council (ACC) announced on September 20, 2023, that together with the Texas Chemical Council, it submitted a 60-day notice of intent to file suit for the U.S. Environmental Protection Agency’s (EPA) failure to complete manufacturer-requested risk evaluations (MRRE) for diisononyl phthalate (DINP) and diisodecyl phthalate (DIDP) under the Toxic Substances Control Act (TSCA). ACC states that EPA failed to complete the MRREs by TSCA’s mandatory deadline of three years and...
August 10, 2022

EPA Issues Supplemental Proposed Rule to Add DINP Category to TRI List of Chemicals

The U.S. Environmental Protection Agency (EPA) published a supplemental proposed rule that would add the diisononyl phthalate (DINP) category to the list of toxic chemicals subject to the reporting requirements under the Emergency Planning and Community Right-to-Know Act (EPCRA) and the Pollution Prevention Act (PPA). 87 Fed. Reg. 48128. EPA previously issued a proposed rule on September 5, 2000, in response to a petition filed under EPCRA, to add a DINP category to the list of...
September 3, 2021

EPA Publishes Final Scope Documents for Manufacturer-Requested Risk Evaluations of Two Phthalates

On August 31, 2021, the U.S. Environmental Protection Agency (EPA) released the final scope documents for the Toxic Substances Control Act (TSCA) risk evaluations of diisodecyl phthalate (DIDP) and diisononyl phthalate (DINP). 86 Fed. Reg. 48695; 86 Fed. Reg. 48693. In its August 31, 2021, press release, EPA notes that both DIDP and DINP “belong to a family of chemicals called phthalates and are commonly used as plasticizers in the production of plastic and...
August 17, 2019

EPA Begins Public Comment Period for Manufacturer Requests for Risk Evaluations of DIDP and DINP

The U.S. Environmental Protection Agency (EPA) announced on August 16, 2019, that it is opening a public comment period for manufacturer requests for the risk evaluations of diisodecyl phthalate (DIDP) and diisononyl phthalate (DINP), two chemicals used in plastic production.  EPA notes that the manufacturer-requested risk evaluations “are among the first such evaluations of this kind to be requested” under the Toxic Substances Control Act (TSCA).  EPA is also taking public...
June 14, 2019

EPA Receives Manufacturer Requests for Risk Evaluations of DIDP and DINP

On June 14, 2019, the U.S. Environmental Protection Agency (EPA) announced that on May 24, 2019, EPA received manufacturer requests for EPA to conduct risk evaluations of diisodecyl phthalate (DIDP) from ExxonMobil Chemical Company and diisononyl phthalate (DINP) from ExxonMobil Chemical Company, Evonik Corporation, and Teknor Apex, both through the American Chemistry Council’s High Phthalates Panel.  EPA states that both DIDP and DINP belong to a family of chemicals commonly referred to...